Precision CNC-machined and tested in RK’s Texas facility

5150 AutoSport Performance Cylinder Head Services for BMW Toyota B58 Engines

05mm Intake / 11

Shot Peen Gear Set

Seat Pressure: 82lbs@41mm

BMW M50 M52 S50 S52 Pro-Xtreme Valve Set | 5150 x Manley Performance gauge Precision CNC-machined and tested inThe Pro Xtreme Stainless Steel Valves from 5150 AutoSport, developed in collaboration with Manley Performance, are engineered for the most severe operating conditions in BMW M50, M52, S50 and S52 engines. These single groove, high strength stainless steel valves are designed exclusively with a 7 mm stem to withstand the demands of high boost, nitrous fed and high revving race engines. With dimensions of 34 mm intake and 31. 5 mm exhaust, these valves